src/badguy.c

   1 //
   2 // C Implementation: badguy
   3 //
   4 // Description:
   5 //
   6 //
   7 // Author: Tobias Glaesser <tobi.web@gmx.de>, (C) 2004
   8 //
   9 // Copyright: See COPYING file that comes with this distribution
  10 //
  11 //
  12
  13 #include "globals.h"
  14 #include "defines.h"
  15 #include "badguy.h"
  16 #include "scene.h"
  17 #include "screen.h"
  18
  19 void badguy_create_bitmasks()
  20 {
  21   /*bm_bsod = img_bsod_left[0];*/
  22 }
  23
  24 void badguy_init(bad_guy_type* pbad)
  25 {
  26   pbad->base.updated = SDL_GetTicks();
  27   pbad->base.alive = NO;
  28   pbad->base.width = 32;
  29   pbad->base.height = 32;
  30
  31 }
  32
  33 void badguy_action(bad_guy_type* pbad)
  34 {
  35
  36   double frame_ratio = get_frame_ratio(&pbad->base);
  37
  38   if (pbad->base.alive)
  39     {
  40       if (pbad->seen)
  41         {
  42           if (pbad->kind == BAD_BSOD)
  43             {
  44               /* --- BLUE SCREEN OF DEATH MONSTER: --- */
  45
  46               /* Move left/right: */
  47
  48               if (pbad->dying == NO ||
  49                   pbad->dying == FALLING)
  50                 {
  51                   if (pbad->dir == RIGHT)
  52                     pbad->base.x = pbad->base.x + pbad->base.xm * frame_ratio;
  53                   else if (pbad->dir == LEFT)
  54                     pbad->base.x = pbad->base.x - pbad->base.xm * frame_ratio;
  55                 }
  56
  57
  58               /* Move vertically: */
  59
  60               pbad->base.y = pbad->base.y + pbad->base.ym * frame_ratio;
  61
  62
  63               /* Bump into things horizontally: */
  64
  65               if (!pbad->dying)
  66                 {
  67                   if (issolid(pbad->base.x, pbad->base.y))
  68                     pbad->dir = !pbad->dir;
  69                 }
  70
  71               /* Fall if we get off the ground: */
  72
  73               if (pbad->dying != FALLING)
  74                 {
  75                   if (!issolid(pbad->base.x, pbad->base.y + 32) &&
  76                       pbad->base.ym < MAX_YM)
  77                     {
  78                       pbad->base.ym = pbad->base.ym + GRAVITY;
  79                     }
  80                   else
  81                     {
  82                       /* Land: */
  83
  84                       if (pbad->base.ym > 0)
  85                         {
  86                           pbad->base.y = (int)(pbad->base.y / 32) * 32;
  87                           pbad->base.ym = 0;
  88                         }
  89                     }
  90                 }
  91               else
  92                 pbad->base.ym = pbad->base.ym + GRAVITY;
  93
  94               if (pbad->base.y > screen->h)
  95                 pbad->base.alive = NO;
  96             }
  97           else if (pbad->kind == BAD_LAPTOP)
  98             {
  99               /* --- LAPTOP MONSTER: --- */
 100
 101               /* Move left/right: */
 102
 103               if (pbad->mode != KICK && pbad->mode != HELD)
 104                 {
 105                   if (pbad->dying == NO ||
 106                       pbad->dying == FALLING)
 107                     {
 108                       if (pbad->dir == RIGHT)
 109                         pbad->base.x = pbad->base.x + pbad->base.xm * frame_ratio;
 110                       else if (pbad->dir == LEFT)
 111                         pbad->base.x = pbad->base.x - pbad->base.xm * frame_ratio;
 112                     }
 113                 }
 114               else if (pbad->mode == KICK)
 115                 {
 116                 /* Obsolete
 117                   if (pbad->dir == RIGHT)
 118                     pbad->base.x = pbad->base.x + 16;
 119                   else if (pbad->dir == LEFT)
 120                     pbad->base.x = pbad->base.x - 16;*/
 121                 }
 122               else if (pbad->mode == HELD)
 123                 { /* FIXME: The pbad object shouldn't know about pplayer objects. */
 124                   /* If we're holding the laptop */
 125                   if(tux.dir==RIGHT)
 126                     {
 127                       pbad->base.x = tux.base.x - 16;
 128                       pbad->base.y = tux.base.y - 8 - (tux.size*16);
 129                     }
 130                   else /* facing left */
 131                     {
 132                       pbad->base.x = tux.base.x - 16;
 133                       pbad->base.y = tux.base.y - 8 - (tux.size*16);
 134                     }
 135
 136                   if(tux.input.fire != DOWN) /* SHOOT! */
 137                     {
 138                       pbad->dir=tux.dir;
 139                       pbad->mode=KICK;
 140                       pbad->base.ym-=8;
 141                       play_sound(sounds[SND_KICK],SOUND_CENTER_SPEAKER);
 142                     }
 143                 }
 144
 145
 146               /* Move vertically: */
 147
 148               if(pbad->mode != HELD)
 149                 pbad->base.y = pbad->base.y + pbad->base.ym * frame_ratio;
 150
 151               /* Bump into things horizontally: */
 152
 153               if (!pbad->dying)
 154                 {
 155                   if (issolid(pbad->base.x, pbad->base.y))
 156                     {
 157                       pbad->dir = !pbad->dir;
 158
 159                       if (pbad->mode == KICK)
 160                         {
 161                           /* handle stereo sound */
 162                           /* FIXME: In theory a badguy object doesn't know anything about player objects */
 163                           if (tux.base.x  > pbad->base.x)
 164                             play_sound(sounds[SND_RICOCHET], SOUND_LEFT_SPEAKER);
 165                           else if (tux.base.x  < pbad->base.x)
 166                             play_sound(sounds[SND_RICOCHET], SOUND_RIGHT_SPEAKER);
 167                           else
 168                             play_sound(sounds[SND_RICOCHET], SOUND_CENTER_SPEAKER);
 169                         }
 170                     }
 171                 }
 172
 173
 174               /* Fall if we get off the ground: */
 175
 176               if (pbad->dying != FALLING)
 177                 {
 178                   if (!issolid(pbad->base.x, pbad->base.y + 32) &&
 179                       pbad->base.ym < MAX_YM)
 180                     {
 181                       if(pbad->mode != HELD)
 182                         pbad->base.ym = pbad->base.ym + GRAVITY;
 183                     }
 184                   else
 185                     {
 186                       /* Land: */
 187
 188                       if (pbad->base.ym > 0)
 189                         {
 190                           pbad->base.y = (int)(pbad->base.y / 32) * 32;
 191                           pbad->base.ym = 0;
 192                         }
 193                     }
 194                 }
 195               else
 196                 pbad->base.ym = pbad->base.ym + GRAVITY;
 197
 198               if (pbad->base.y > screen->h)
 199                 pbad->base.alive = NO;
 200             }
 201           else if (pbad->kind == BAD_MONEY)
 202             {
 203               /* --- MONEY BAGS: --- */
 204
 205
 206               /* Move vertically: */
 207
 208               pbad->base.y = pbad->base.y + pbad->base.ym *frame_ratio;
 209
 210
 211               /* Fall if we get off the ground: */
 212
 213               if (pbad->dying != FALLING)
 214                 {
 215                   if (!issolid(pbad->base.x, pbad->base.y + 32))
 216                     {
 217                       if (pbad->base.ym < MAX_YM)
 218                         {
 219                           pbad->base.ym = pbad->base.ym + GRAVITY;
 220                         }
 221                     }
 222                   else
 223                     {
 224                       /* Land: */
 225
 226                       if (pbad->base.ym > 0)
 227                         {
 228                           pbad->base.y = (int)(pbad->base.y / 32) * 32;
 229                           pbad->base.ym = -MAX_YM;
 230                         }
 231                     }
 232                 }
 233               else
 234                 pbad->base.ym = pbad->base.ym + GRAVITY;
 235
 236               if (pbad->base.y > screen->h)
 237                 pbad->base.alive = NO;
 238             }
 239           else if (pbad->kind == -1)
 240           {}
 241
 242         }
 243       else if (pbad->kind == -1)
 244       {}
 245
 246
 247     }
 248
 249   /* Handle mode timer: */
 250
 251   if (pbad->mode == FLAT /* && bad_guys[1].mode != HELD*/)
 252     {
 253       if(!timer_check(&pbad->timer))
 254         pbad->mode = NORMAL;
 255     }
 256   /* else if (pbad->mode == KICK)
 257      {
 258        if (pbad->timer > 0)
 259          pbad->timer--;
 260      }*/
 261
 262
 263   /* Handle dying timer: */
 264
 265   if (pbad->dying == SQUISHED)
 266     {
 267       /* Remove it if time's up: */
 268       if(!timer_check(&pbad->timer))
 269         pbad->base.alive = NO;
 270     }
 271
 272
 273   /* Remove if it's far off the screen: */
 274
 275   if (pbad->base.x < scroll_x - OFFSCREEN_DISTANCE)
 276     pbad->base.alive = NO;
 277   else /* !seen */
 278     {
 279       /* Once it's on screen, it's activated! */
 280
 281       if (pbad->base.x <= scroll_x + screen->w + OFFSCREEN_DISTANCE)
 282         pbad->seen = YES;
 283     }
 284   /*}*/
 285 }
 286
 287 void badguy_draw(bad_guy_type* pbad)
 288 {
 289   if (pbad->base.alive &&
 290       pbad->base.x > scroll_x - 32 &&
 291       pbad->base.x < scroll_x + screen->w)
 292     {
 293       if (pbad->kind == BAD_BSOD)
 294         {
 295           /* --- BLUE SCREEN OF DEATH MONSTER: --- */
 296
 297           if (pbad->dying == NO)
 298             {
 299               /* Alive: */
 300
 301               if (pbad->dir == LEFT)
 302                 {
 303                   texture_draw(&img_bsod_left[(frame / 5) % 4],
 304                                pbad->base.x - scroll_x,
 305                                pbad->base.y,
 306                                NO_UPDATE);
 307                 }
 308               else
 309                 {
 310                   texture_draw(&img_bsod_right[(frame / 5) % 4],
 311                                pbad->base.x - scroll_x,
 312                                pbad->base.y,
 313                                NO_UPDATE);
 314                 }
 315             }
 316           else if (pbad->dying == FALLING)
 317             {
 318               /* Falling: */
 319
 320               if (pbad->dir == LEFT)
 321                 {
 322                   texture_draw(&img_bsod_falling_left,
 323                                pbad->base.x - scroll_x,
 324                                pbad->base.y,
 325                                NO_UPDATE);
 326                 }
 327               else
 328                 {
 329                   texture_draw(&img_bsod_falling_right,
 330                                pbad->base.x - scroll_x,
 331                                pbad->base.y,
 332                                NO_UPDATE);
 333                 }
 334             }
 335           else if (pbad->dying == SQUISHED)
 336             {
 337               /* Dying - Squished: */
 338
 339               if (pbad->dir == LEFT)
 340                 {
 341                   texture_draw(&img_bsod_squished_left,
 342                                pbad->base.x - scroll_x,
 343                                pbad->base.y + 24,
 344                                NO_UPDATE);
 345                 }
 346               else
 347                 {
 348                   texture_draw(&img_bsod_squished_right,
 349                                pbad->base.x - scroll_x,
 350                                pbad->base.y + 24,
 351                                NO_UPDATE);
 352                 }
 353             }
 354         }
 355       else if (pbad->kind == BAD_LAPTOP)
 356         {
 357           /* --- LAPTOP MONSTER: --- */
 358
 359           if (pbad->dying == NO)
 360             {
 361               /* Alive: */
 362
 363               if (pbad->mode == NORMAL)
 364                 {
 365                   /* Not flat: */
 366
 367                   if (pbad->dir == LEFT)
 368                     {
 369                       texture_draw(&img_laptop_left[(frame / 5) % 3],
 370                                    pbad->base.x - scroll_x,
 371                                    pbad->base.y,
 372                                    NO_UPDATE);
 373                     }
 374                   else
 375                     {
 376                       texture_draw(&img_laptop_right[(frame / 5) % 3],
 377                                    pbad->base.x - scroll_x,
 378                                    pbad->base.y,
 379                                    NO_UPDATE);
 380                     }
 381                 }
 382               else
 383                 {
 384                   /* Flat: */
 385
 386                   if (pbad->dir == LEFT)
 387                     {
 388                       texture_draw(&img_laptop_flat_left,
 389                                    pbad->base.x - scroll_x,
 390                                    pbad->base.y,
 391                                    NO_UPDATE);
 392                     }
 393                   else
 394                     {
 395                       texture_draw(&img_laptop_flat_right,
 396                                    pbad->base.x - scroll_x,
 397                                    pbad->base.y,
 398                                    NO_UPDATE);
 399                     }
 400                 }
 401             }
 402           else if (pbad->dying == FALLING)
 403             {
 404               /* Falling: */
 405
 406               if (pbad->dir == LEFT)
 407                 {
 408                   texture_draw(&img_laptop_falling_left,
 409                                pbad->base.x - scroll_x,
 410                                pbad->base.y,
 411                                NO_UPDATE);
 412                 }
 413               else
 414                 {
 415                   texture_draw(&img_laptop_falling_right,
 416                                pbad->base.x - scroll_x,
 417                                pbad->base.y,
 418                                NO_UPDATE);
 419                 }
 420             }
 421         }
 422       else if (pbad->kind == BAD_MONEY)
 423         {
 424           if (pbad->base.ym > -16)
 425             {
 426               if (pbad->dir == LEFT)
 427                 {
 428                   texture_draw(&img_money_left[0],
 429                                pbad->base.x - scroll_x,
 430                                pbad->base.y,
 431                                NO_UPDATE);
 432                 }
 433               else
 434                 {
 435                   texture_draw(&img_money_right[0],
 436                                pbad->base.x - scroll_x,
 437                                pbad->base.y,
 438                                NO_UPDATE);
 439                 }
 440             }
 441           else
 442             {
 443               if (pbad->dir == LEFT)
 444                 {
 445                   texture_draw(&img_money_left[1],
 446                                pbad->base.x - scroll_x,
 447                                pbad->base.y,
 448                                NO_UPDATE);
 449                 }
 450               else
 451                 {
 452                   texture_draw(&img_money_right[1],
 453                                pbad->base.x - scroll_x,
 454                                pbad->base.y,
 455                                NO_UPDATE);
 456                 }
 457             }
 458         }
 459       else if (pbad->kind == -1)
 460       {}
 461     }
 462 }
 463
 464 void badguy_collision(bad_guy_type* pbad, void *p_c_object, int c_object)
 465 {
 466   bad_guy_type* pbad_c = NULL;
 467   player_type* pplayer_c = NULL;
 468
 469   switch (c_object)
 470     {
 471     case CO_BULLET:
 472       pbad->dying = FALLING;
 473       pbad->base.ym = -8;
 474
 475       /* Gain some points: */
 476
 477       if (pbad->kind == BAD_BSOD)
 478         add_score(pbad->base.x - scroll_x, pbad->base.y,
 479                   50 * score_multiplier);
 480       else if (pbad->kind == BAD_LAPTOP)
 481         add_score(pbad->base.x - scroll_x, pbad->base.y,
 482                   25 * score_multiplier);
 483
 484       /* Play death sound: */
 485       play_sound(sounds[SND_FALL], SOUND_CENTER_SPEAKER);
 486       break;
 487     case CO_BADGUY:
 488       pbad_c = p_c_object;
 489       if (pbad->mode != KICK)
 490         pbad->dir = !pbad->dir;
 491       else
 492         {
 493           /* We're in kick mode, kill the other guy: */
 494
 495           pbad_c->dying = FALLING;
 496           pbad_c->base.ym = -8;
 497           play_sound(sounds[SND_FALL], SOUND_CENTER_SPEAKER);
 498
 499           add_score(pbad->base.x - scroll_x,
 500                     pbad->base.y, 100);
 501         }
 502       pbad->dir = !pbad->dir;
 503       break;
 504     case CO_PLAYER:
 505       pplayer_c = p_c_object;
 506       if (pbad->kind == BAD_BSOD)
 507         {
 508           pbad->dying = SQUISHED;
 509           timer_start(&pbad->timer,4000);
 510           pplayer_c->base.ym = -KILL_BOUNCE_YM;
 511
 512           add_score(pbad->base.x - scroll_x, pbad->base.y,
 513                     50 * score_multiplier);
 514
 515           play_sound(sounds[SND_SQUISH], SOUND_CENTER_SPEAKER);
 516         }
 517       else if (pbad->kind == BAD_LAPTOP)
 518         {
 519           if (pbad->mode != FLAT)
 520             {
 521               /* Flatten! */
 522
 523               play_sound(sounds[SND_STOMP], SOUND_CENTER_SPEAKER);
 524               pbad->mode = FLAT;
 525               pbad->base.xm = 4;
 526
 527               timer_start(&pbad->timer,10000);
 528
 529               pplayer_c->base.y = pplayer_c->base.y - 32;
 530             }
 531           else
 532             {
 533               /* Kick! */
 534
 535               pbad->mode = KICK;
 536               play_sound(sounds[SND_KICK], SOUND_CENTER_SPEAKER);
 537
 538               if (pplayer_c->base.x <= pbad->base.x)
 539                 pbad->dir = RIGHT;
 540               else
 541                 pbad->dir = LEFT;
 542
 543               timer_start(&pbad->timer,5000);
 544             }
 545
 546           pplayer_c->base.ym = -KILL_BOUNCE_YM;
 547
 548           add_score(pbad->base.x - scroll_x,
 549                     pbad->base.y,
 550                     25 * score_multiplier);
 551
 552           /* play_sound(sounds[SND_SQUISH]); */
 553         }
 554       break;
 555     }
 556
 557 }